Harris Beattie, 14 years old from Aberdeen, Scotland, Harrison Dowzell, 12 years old from Nottinghamshire, Redmand Rance, 12 years old from Fareham, Hampshire and Kaine Ward, 13 years old, from Hertfordshire, alternate the role of Billy. Ten year old Thomas Moore from Armthorpe, Doncaster, 10 year old Jack Bromage-Eccles from Nuneaton and 12 year old Joe Massey from South Wirrell alternate the role of Billy's best friend Michael. Ten year old Millie Thornton from Grangetown, Sunderland, 10 year old Dayna Dixon from Newcastle upon Tyne and 10 year old Macy Stasiak from Darlington alternate the role of Debbie.

The Christmas schedule includes:

Monday 24 December no performance; Tuesday 25 December no performance; Wednesday 26 December 7:30pm; Thursday 27 December 2:30pm and 7:30pm; Friday 28 December 2:30pm and 7:30pm; Saturday 29 December 2:30pm and 7:30pm; Monday 31 December 2:30pm; Tuesday 1 January 7:30pm; Wednesday 2 January 2:30pm and 7:30pm; Thursday 3 January 2:30pm & 7:30pm; Friday 4 January 7:30pm; Saturday 5 January 2:30pm and 7:30pm